Updated: Nov 14, 2022
I worked out from Elmer Keith's writings that 'Fitzing' a pistol came partly from a way to keep control of one's pistol in a confrontation: Fitz's self-defense demonstrations included breaking the opponent's trigger finger inside his own pistol's trigger guard! Since then several writers have taken credit for 'figuring this out' and even have claimed that Fitz himself admitted it. He didn't.
Read all about the evolution of today's gunleather during the 20th century in the second edition of my book, published 2022 and available at www.holstory.com .